Merge "Turning on proto dumping for stack traces." into pi-dev

    // Stack dumps

    optional android.os.BackTraceProto native_traces = 1200 [

        (section).type = SECTION_NONE,

        (section).type = SECTION_TOMBSTONE,

        (section).args = "native"

    ];

    optional android.os.BackTraceProto hal_traces = 1201 [

        (section).type = SECTION_NONE,

        (section).type = SECTION_TOMBSTONE,

        (section).args = "hal"

    ];

    optional android.os.BackTraceProto java_traces = 1202 [

        (section).type = SECTION_NONE,

        (section).type = SECTION_TOMBSTONE,

        (section).args = "java"

    ];