Enhance the jit profiler to print more statistics and be more verbose.

Enhance the jit profiler to print more statistics and be more verbose.

Specifically, the per-trace invocation percentage is printed now.

D/dalvikvm(  671): TRACEPROFILE 0x42b6eed8   15449863  2.13% [0(+2), 253] Ljava/nio/Buffer;position;()I
D/dalvikvm(  671): TRACEPROFILE 0x42b7b3ac   15410023  2.13% [0x4(+3), 450] Lorg/apache/xml/serializer/CharInfo;shouldMapTextChar;(I)Z
D/dalvikvm(  671): TRACEPROFILE 0x42b7b2cc   15346582  2.12% [0(+2), 449] Lorg/apache/xml/serializer/CharInfo;shouldMapTextChar;(I)Z
D/dalvikvm(  671): TRACEPROFILE 0x42b7b40c   15013650  2.07% [0xb4(+2), 1527] Lorg/apache/xml/serializer/ToStream;characters;([CII)V
D/dalvikvm(  671): TRACEPROFILE 0x42b7b4f0   14907957  2.06% [0xc7(+2), 1537] Lorg/apache/xml/serializer/ToStream;characters;([CII)V
D/dalvikvm(  671): TRACEPROFILE 0x42b7b308   14898588  2.06% [0xad(+3), 1525] Lorg/apache/xml/serializer/ToStream;characters;([CII)V
D/dalvikvm(  671): TRACEPROFILE 0x42b7b52c   14798762  2.04% [0xc4(+2), 1523] Lorg/apache/xml/serializer/ToStream;characters;([CII)V
D/dalvikvm(  671): TRACEPROFILE 0x42b7b570   14763770  2.04% [0xf3(+2), 1577] Lorg/apache/xml/serializer/ToStream;characters;([CII)V

And the top 10 traces will be recompiled in verbose mode to facilitate code
quality analysis.